REYES, E. O., R.-A. CRISTINE, O. CALIMPUSAN, J. N. MALIT, and A. A. SALVADOR. “Energy Harvesting Digital Filter Implementation With Novel Architecutre”. International Journal of Communication and Computer Technologies, vol. 11, no. 1, May 2023, pp. 75-84, https://ijccts.org/index.php/pub/article/view/174.